: Until end of turn, Bone Shaman gains "Creatures dealt damage by Bone Shaman this turn can't be regenerated this turn."

, Exile Bonebind Orator from your graveyard: Return another target creature card from your graveyard to your hand.

, Pay 1 life: Draw a card. Activate only if three or more cards left your graveyard this turn or if you've sacrificed a Food this turn.

When Boneclad Necromancer enters, you may exile target creature card from a graveyard. If you do, create a 2/2 black Zombie creature token.

Flying, first strike

At the beginning of your upkeep, exile the top two cards of your library. You may play them this turn. If you exiled a land card this way, create a 3/1 red Dinosaur creature token. If you exiled a nonland card this way, create a Treasure token.

Flying

Corrupted — As long as an opponent has three or more poison counters, Bonepicker Skirge has deathtouch and lifelink.

Flying

Threshold — As long as seven or more cards are in your graveyard, Boneshard Slasher gets +2/+2 and has "When Boneshard Slasher becomes the target of a spell or ability, sacrifice it."

Whenever a permanent is turned face up, Bonethorn Valesk deals 1 damage to any target.

Menace

, Sacrifice another creature: Put a +1/+1 counter on Boneyard Desecrator. If an outlaw was sacrificed this way, create a Treasure token. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)

Boneyard Mycodrax's power and toughness are each equal to the number of other creature cards in your graveyard.

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Boneyard Wurm's power and toughness are each equal to the number of creature cards in your graveyard.

Menace, indestructible

Bontu the Glorified can't attack or block unless a creature died under your control this turn.

, Sacrifice another creature: Scry 1. Each opponent loses 1 life and you gain 1 life.

Trample

When Bookwurm enters, you gain 3 life and draw a card.

: Put Bookwurm from your graveyard into your library third from the top.

As Boomstacker enters and whenever it attacks, stack two dice on top of it. (All dice must be stacked vertically, one on top of another.)

Boomstacker gets +1/+1 for each die in its stack.

Boomstacker attacks each combat if able.

When the stack falls, sacrifice Boomstacker.

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following abilities until end of turn.)

Flying, first strike, lifelink

Boot Nipper enters with your choice of a deathtouch counter or a lifelink counter on it.

Whenever Borborygmos and Fblthp enters or attacks, draw a card, then you may discard any number of land cards. When you discard one or more cards this way, Borborygmos and Fblthp deals twice that much damage to target creature.

: Put Borborygmos and Fblthp into its owner's library third from the top.

Vigilance

When Borderland Explorer enters, each player may discard a card. Each player who discarded a card this way may search their library for a basic land card, reveal it, put it into their hand, then shuffle.

: Boreal Centaur gets +1/+1 until end of turn. Activate only once each turn. ( can be paid with one mana from a snow source.)

Flying

Spells your opponents cast that target Boreal Elemental cost more to cast.

Whenever you cast a creature spell, if of any of that spell's colors was spent to cast it, that creature enters with an additional +1/+1 counter on it. ( is mana from a snow source.)

, : Create a 1/1 black and red Demon creature token named Minor Demon.

Vigilance

Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.

Sacrifice Boromir, Warden of the Tower: Creatures you control gain indestructible until end of turn. The Ring tempts you.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

: Boros Challenger gets +1/+1 until end of turn.

: Target creature gains haste until end of turn.

: Target creature gains first strike until end of turn.

Whenever Boros Reckoner is dealt damage, it deals that much damage to any target.

: Boros Reckoner gains first strike until end of turn.

Battalion — Whenever Boros Strike-Captain and at least two other creatures attack, exile the top card of your library. During any turn you attacked with three or more creatures, you may play that card.

Domain — When Bortuk Bonerattle enters, if you cast it, choose target creature card in your graveyard. Return that card to the battlefield if its mana value is less than or equal to the number of basic land types among lands you control. Otherwise, put it into your hand.

Trample

, Sacrifice an artifact: Bosh, Iron Golem deals damage equal to the sacrificed artifact's mana value to any target.

Whenever you cast a spell, you may gain ½ life for each word in that spell's name.

Trample

Botanical Brawler enters with two +1/+1 counters on it.

Whenever one or more +1/+1 counters are put on another permanent you control, if it's the first time +1/+1 counters have been put on that permanent this turn, put a +1/+1 counter on Botanical Brawler.

Sacrifice Bottle Gnomes: You gain 3 life.

(<b>D</b> is a land drop. You may give up one potential land drop this turn to pay for <b>D</b>.)

Whenever Boulder Jockey attacks, you may pay <b>D</b>. If you do, create a 3/3 colorless Construct artifact creature token named Boulder that's tapped and attacking. Sacrifice that token at the beginning of the next end step.

When Boulderbranch Golem enters, you gain life equal to its power.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

3/3

At the beginning of combat on your turn, if you control a creature with power 4 or greater, you may discard a card. If you do, draw a card.

Flash (You may cast this spell any time you could cast an instant.)

When Bounding Krasis enters, you may tap or untap target creature.

Flying

Whenever you cast a Spirit or Arcane spell, you may gain life equal to that spell's mana value.

: Put a bounty counter on target nonblack creature.

: Destroy target creature with a bounty counter on it.

When Brackwater Elemental attacks or blocks, sacrifice it at the beginning of the next end step.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

While voting, you get an additional vote. (The votes can be for different choices or for the same choice.)

At the beginning of each player's upkeep, that player sacrifices an artifact, creature, or land of their choice.

When you cast this spell, any player may sacrifice a creature of their choice. If a player does, counter Brain Gorgers.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Sacrifice Brain Weevil: Target player discards two cards. Activate only as a sorcery.

Partner with Shabraz, the Skyshark (When this creature enters, target player may put Shabraz into their hand from their library, then shuffle.)

Whenever you discard a card, put a +1/+1 counter on Brallin, Skyshark Rider and it deals 1 damage to each opponent.

: Target Shark gains trample until end of turn.

Whenever an Aura becomes attached to Bramble Elemental, create two 1/1 green Saproling creature tokens.

Whenever another nontoken creature enters, you may pay . If you do, that creature's controller creates a token that's a copy of that creature.

: Bramblefort Fink has base power and toughness 10/10 until end of turn. Activate only if you control an Oko planeswalker.